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This extends 62678ded 'efi: never call qsort on potentially
NULL arrays' to all other places where qsort is used and it
is not obvious that the count is non-zero.
rename old versions to ascii_*
Do not take into account zerowidth characters, but do consider double-wide characters.
Import needed utf8 helper code from glib.
v3: rebase ontop of utf8 restructuring work
[zj: tweak the algorithm a bit, move new code to separate file]
One day sd-bus.h should become a public header file. We generally try to
be conservative in language features we use in public headers (much
unlike in private code), hence don't make use of anonymous unions in
structs for the vtable definitions.
In addition, the states "UNMUTED" and "MUTED" become "ON" and "OFF".
This has the benefit that a possible value of this field is not
identical to its name, thus minimizing confusion.
Quit handlers are executed when an event loop is terminated via
sd_event_request_quit(). They are in a way atexit() handlers that are
executed in a well-defined environment, time and thread: from the event
loop thread when the event loop finishes.
For the library functions we expose we currently repeatedly use checks
like the following:
if (!value_is_ok(parameter1))
return -EINVAL;
if (!value_is_ok(parameter2))
return -EINVAL;
And so on. Let's turn this into a macro:
assert_return(value_is_ok(parameter1), -EINVAL);
assert_return(value_is_ok(paramater2), -EINVAL);
This makes our code a bit shorter and simpler, and also allows us to add
a _unlikely_() around the check.
In order to improve energy consumption we should minimize our wake-ups
when handling timers. Hence, for each timer take an accuracy value and
schedule the actual wake-up time somewhere between the specified time
and the specified timer plus the accuracy.
The specified time of timer event sources hence becomes the time the
handler is called the *earliest*, and the specified time plus the accuracy
the time by which it is called the *latest*, leaving the library the
freedom to schedule the wake-up somewhere inbetween.
If the accuracy is specified as 0 the default of 250ms will be used.
When scheduling timeouts we will now try to elapse them at the same
point within each second, across the entire system. We do this by using
a fixed perturbation value keyed off the boot id. If this point within a
second is not in the acceptable range, we try again with a fixed time
within each 250ms time step. If that doesn't work either, we wake up at
the last possible time.
So far we tried to use epoll directly wherever we needed an event loop.
However, that has various shortcomings, such as the inability to handle
larger amounts of timers (since each timerfd costs one fd, which is a
very limited resource, usually bounded to 1024), and inability to do
priorisation between multiple queued events.
Let's add a minimal event loop API around epoll that is suitable for
implementation of our own daemons and maybe one day can become public
API for those who desire it.
This loop is part of libsystemd-bus, but may be used independently of
it.
Before, when the user journal file was rotated, journal_file_rotate
could close the old file and fail to open the new file. In that
case, we would leave the old (deallocated) file in the hashmap.
On subsequent accesses, we could retrieve this stale entry, leading
to a segfault.
When journal_file_rotate fails with the file pointer set to 0,
old file is certainly gone, and cannot be used anymore.
https://bugzilla.redhat.com/show_bug.cgi?id=890463
Since on most systems with xattr systemd will compile with Smack
support enabled, we still attempt to mount various fs's with
Smack-only options.
Before mounting any of these Smack-related filesystems with
Smack specific mount options, check if Smack is functionally
active on the running kernel.
If Smack is really enabled in the kernel, all these Smack mounts
are now *fatal*, as they should be.
We no longer mount smackfs if systemd was compiled without
Smack support. This makes it easier to make smackfs mount
failures a critical error when Smack is enabled.
We no longer mount these filesystems with their Smack specific
options inside containers. There these filesystems will be
mounted with there non-mount smack options for now.
It appears that it's not really the 900 vs. 940 or the X3 vs X4, but the
A/B/C/D suffix after that which makes the difference between the keymaps. On a
NP900X3C-A04RU you get
MODALIAS=dmi:bvn*:bvr*:bd*:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3C/900X3D/900X4C/900X4D:*
So change the matches to use AB vs. CDG as the differentiator.
Thanks to Anatoly Markov for reporting and testing!
